RANKING · 2020 CENSUS · 18 SHOWN OF 18

Highest Iranian population share, Louisiana counties · 2020

Louisiana counties ranked by the share of all residents who are Iranian ancestry (2023 American Community Survey). A concentration measure: Iranian residents as a percentage of total population. This list covers the 18 counties in Louisiana that qualify, ranked against each other statewide.

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

Highest Iranian population share by state

RANKPLACESTATEPOPIRANIAN SHAREVS 2000

01Natchitoches Parish, LALA36,0890.5%–

02De Soto Parish, LALA27,3810.3%–

03Orleans Parish, LALA362,1540.1%–

04Livingston Parish, LALA155,0360.1%–

05Lincoln Parish, LALA48,3600.1%–

06St. Charles Parish, LALA50,5860.1%–

07Jefferson Parish, LALA431,3980.1%–

08Lafayette Parish, LALA257,9490.0%–

09Vernon Parish, LALA45,0910.0%–

10East Baton Rouge Parish, LALA456,1800.0%–

11Bossier Parish, LALA131,8670.0%–

12Ascension Parish, LALA135,1050.0%–

13Vermilion Parish, LALA57,6710.0%–

14Terrebonne Parish, LALA104,1630.0%–

15St. Martin Parish, LALA51,1060.0%–

16Ouachita Parish, LALA158,5420.0%–

17St. Tammany Parish, LALA279,1080.0%–

18Caddo Parish, LALA224,2260.0%–

SHOWING 1–18 OF 18

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES